Emily Dickinson Lexicon

caper (-ed), v. [Fr. < L. capriole, wild goat; see a caper, v.] (webplay: dancing, flowers, prance).

1. Play; cavort; frolic; romp; rollick; spring up; move energetically; run about in a lively manner.
2. Rejoice; revel; exult; jubilate; jump for joy; [fig.] laugh; express happiness for another.